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Emerson NGA 2000 TO2 User Manual

Page 4

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Instruction Manual

760008-A
September 2001

ii Contents

Rosemount Analytical Inc. A Division of Emerson Process Management

Model NGA 2000 TO2

e. Display Controls..........................................................................................................3-12

3-5 Expert Controls and Setup .......................................................................................................3-13

a. Calibration Procedure .................................................................................................3-14
b. Alarms.........................................................................................................................3-17
c. Ranges........................................................................................................................3-18
d. Linearization................................................................................................................3-19
e. Measurement Display Configuration...........................................................................3-19
f. Concentration Measurement .......................................................................................3-20
g. Flow Measurement .....................................................................................................3-22
h. Temperature Measurement ........................................................................................3-23

3-6 System & Network I/O Module Controls (Setup)......................................................................3-24

a. System SIO.................................................................................................................3-25
b. Analog Output Setup...................................................................................................3-26
c. Serial Interface Setup..................................................................................................3-29
d. Relay Outputs Setup...................................................................................................3-30
e. System DIO.................................................................................................................3-31

3-7 System Configuration and Diagnostics ....................................................................................3-32

a. Diagnostic Menus .......................................................................................................3-33

4-0 MAINTENANCE AND SERVICE .............................................................................................4-1
4-1 Overview...................................................................................................................................4-1
4-2 Sensor ......................................................................................................................................4-1

a. Refilling .......................................................................................................................4-2
b. Electrolyte Replacement.............................................................................................4-3
c. Sensor Replacement...................................................................................................4-3

4-3 Linearization .............................................................................................................................4-4
4-4 Flow Sensor Replacement .......................................................................................................4-6
4-5 Electronic Components ............................................................................................................4-6

a. Fuses ..........................................................................................................................4-6
b. Printed Circuit Boards .................................................................................................4-6

5.0 TROUBLESHOOTING .............................................................................................................5-1
5-1 Troubleshooting........................................................................................................................5-1

a. Failure to purge down to ppm levels...........................................................................5-1
b. Flow sensitivity............................................................................................................5-1
c. Erratic and very insensitive readings ..........................................................................5-1

6-0 REPLACEMENT PARTS........................................................................................................6-1
6-1 Matrix........................................................................................................................................6-1
6-2 Replacement Parts...................................................................................................................6-2

7-0 RETURN OF MATERIAL..........................................................................................................7-1
7-1 Return of Material.....................................................................................................................7-1
7-2 Customer Service.....................................................................................................................7-1
7-3 Training.....................................................................................................................................7-1

8-0 INDEX.......................................................................................................................................8-1

MATERIAL SAFETY DATA SHEET 748377